{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77362",
    "entityType": "User",
    "nonce": "0x741f37f9db8280ee02bc8fefc2e6ec1d21f03fc7964818d74f7f87ac01ccb07f",
    "signature": "0xbf89d63b57229b4084d523fcd16eb7595105eb86946c58de765b0b5437aa351553a0ed8ec00b42f3ecdc07ee616a971960d25298c388fdb8d397fcee5f46427d1c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}