{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48788",
    "entityType": "User",
    "nonce": "0x0c2a00356fbf3db2ae591e2d2a07f1c27299bb3a915b6bfffcfb98ebb8a641dc",
    "signature": "0x4eaa593bb23f4a6d4e3dce90e7f100043612745c80e60194d966ce54641135840de277c417947912b56ab69ea7717bfd15caa9ab21fc2fb00c969d0c4e4ee89a1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}