{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7375",
    "entityType": "User",
    "nonce": "0xc762f7bb18a9d9786ac615b537925328927dcaf5633d8bd07b137ba379809f43",
    "signature": "0x16b9777b2da03ca608fd85b8e1827e35ca01648ac892872ce96ab375fe70bd2c375fcd089ef1387dfd59ac14e2d288cf1b1130a30034af0f8145da75de2ae03c1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}