{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x4471f89e413e6e6ba513f8a8e9a7833d69bed18903d62652178f95b28d957f42",
    "signature": "0x87673e012da3cf0315bb495d5adddaa41bd991b21ef68eba73b4fe7460debea50618689f1602259ae89b9e6e3a41ee938eeb11323f928419383d8168990ba8531c",
    "signer": "0x85716762Eec590d7cED7237cd3177cc25FA3f95d",
    "userId": "897051051"
  }
}