{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "779730040",
    "entityType": "User",
    "nonce": "0x5fef19b58798506a9ecf9213249e29abb7d33ad79ceffe0ca32c503a26b156b0",
    "signature": "0x312e02b7bf3cf215a30e0f969b011f3935ea2b9b83804224d52bb315a1ff7e582ffdd4d57be6e622eef42932a1c34514a062de640b46b913c2a8f770d6095a651b",
    "signer": "0x7E83B25b16B783fcd72F59CE3004CB54a30e53dE",
    "userId": "611206472"
  }
}