{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "314606",
    "entityType": "User",
    "nonce": "0x973e9eb0b23c015ba095782a0d1673f9b8790932c40e431ca447bf513f836125",
    "signature": "0x70f8a31fb17f46171a1c80d9fb24862648b83bd2d874b331559b45646bc3034a7c8fe7821021c2abaccb1482258e51ad01ec346618cc6af4d109176cce4b1dfc1b",
    "signer": "0x2d9dE0031960aD6f53e402E622254d2AeBc7307D",
    "userId": "787599159"
  }
}