{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "31071",
    "entityType": "User",
    "nonce": "0x3cf2eff4d8b3578fd35e0e80084190fbca11204fe3a12ea34a2f874eb600a465",
    "signature": "0xf93c7a68836625a44ff16bda5468d524b2c4610a17173ed2a16f784a58676634611a17f7824c2830f2ec296a2884c2a01e2229ec64880cfe6c0acca8610121a41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}