{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0xcdedc204619c86db1996014ff8b9dd0ee3fed6f82a713b7ad6e500ebd0d96cb4",
    "signature": "0xba043e1c1fe816ea9de9a21b3c11efa190b3277b3a90781e1acf31442c6efc3d513badba33620880d943a77354a108b8738f0fedd2d3b4da948273d80b901ebf1b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}