{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "829862826",
    "entityType": "User",
    "nonce": "0x9260942fde44c791a2df47321636dcc542574cc7bb887d54f42471a42efc6230",
    "signature": "0x13d7a9855eb9f712096d1ed446b606e2afb9dcdec38db27363d1fc281914be3c20db71bb0f3451426c887ae632289adb7ff572dd6aa68231fec40c83377953641b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}