{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "213759",
    "entityType": "User",
    "nonce": "0xe18353f00940f762391e1c2edb4c95ed8366a1cc0d7857fa0b707f3b6ca63fcc",
    "signature": "0xa15aa6fb075dc4efd5003f80709e980ae978921cfe30639d35dfa6d27835ff897d629e332e9d9103f834b803fc9200ff6a5bd4a325cd1cf4ec75c836ca5c635a1b",
    "signer": "0x2acBF90b188BEa0e543bF348864E8a02E3814819",
    "userId": "969601314"
  }
}