{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "995",
    "entityType": "User",
    "nonce": "0x7bc3e65dcdb886b1879b704540522ee83db1fad9994c891acd1c18321ff44f53",
    "signature": "0x4a7e929327a825f268ab65d90f4e80af64aa769de6154b07635f90faa98455327ea2164e047c9f1d956a561eff5943204a109b35374f6b42a5d692b391d980481b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}