{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "33896318",
    "entityType": "User",
    "nonce": "0xeb289d04053ec69ded4cb8fae7a617a9fb541bf1afe92bfc432380274936574b",
    "signature": "0x4ee8be39edd3341ec891bb8e8d7292470d41183e63959621df9cc4335185d1d248a4996445d4554d2aaabe222e8990f7b36181029d2ca59482e95c6acc174dfa1b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}