{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "21887460",
    "entityType": "User",
    "nonce": "0x8952423f604d279b432746394a7c5ae5853c357870a37626b4bad71961d84503",
    "signature": "0xc2c8231f5f8e62a1cc44307bda6ae4c22bd98f4c035e80d309d87cbfd313dc254aabd69877b620e8651168e36a3e88c33697ff7cda449dbb1e4dc8934baef6411b",
    "signer": "0xF83705Fae5c6Bc22AEDAd5E530e5eF8112ba6Fa7",
    "userId": "326305"
  }
}