{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15644",
    "entityType": "User",
    "nonce": "0xc177727d65dc923d6d4181ff3d829d7771b858905490282a72b4b30bb586bb35",
    "signature": "0x4345eedd33670ede2e6ff7aa2febb49d2fe932410467aa7331969b3aa9bd14602ee0bd5f7db42120f53614a1116a4d4a73026bb56061cfcf22c3865b4c9c517b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}