{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148483",
    "entityType": "User",
    "nonce": "0xcc99f704e6f8da12eb01b50510a0165437d71b5cbb6e3e34433100ba3eeb7472",
    "signature": "0x33667c6204bf039bb951a47cfc4bf1d150ed912f30ad32dd5a0a4a15878a1d103feaf6f2db683c2beaa3dd100247f7301d6cd8b0cb2a59fba0f78ea230232e051c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}