{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142317",
    "entityType": "User",
    "nonce": "0x0b78f676e5216c8d77e9f90b75fc1dcf3bb966c97f29bdcc03e783f80d09a108",
    "signature": "0x31413011d4d8b88aa94315a78189fc70da4c847ae7383420613c5cdc55b5462a346211523f80029fe937840d979a74dda7e0b5793d221d7582e8ff075b9a50f41c",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}