{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x41f169058f55120cedffe4d0397c2f17678d921121fe51509aeac2c51ed97d6b",
    "signature": "0xb6dccc3fdb67c3ce218b15170ca5c3248644e572b1229be3b847dca2524ee3f825073e6d57e967fbe88e866d47d2b86fb9bdfd57faf68db9bdc998b83267a0a21b",
    "signer": "0xa42ab150B62A82f20CDd3baDF608cee632b55b60",
    "userId": "695290252"
  }
}