{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222934",
    "entityType": "User",
    "nonce": "0x1d5d495f329691cbc60eb7e69f8ca62d2ceba44c23e504b99bd399d74f5d45b7",
    "signature": "0x2c3326a472d2aa016a77ac02ce864d97955da165a0a0e05e81c1b8a727d24aee71549b4d288a83b35c27626fb5d096fa1791b643e4fb72cfdbe575464c6f68971c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}