{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb93d9278ca01c762391e15c5563bba2014c04cce9c207723c8692a96f97e5ccb",
    "signature": "0x23fe4d063d4741bf71f19a571ecdcefa6b082f9b471c549896c17abb53addf3c587faac7a0cdf31a6151ca777b37c6b7337f21d28a764284f467f376744761f21b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}