{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x7b783c415919e39aa6d774289aef159c60bcd83da00b96bcc837b5d04e620f92",
    "signature": "0x91672c9fd0f51f30c81a4042a73c02cacd169fcb768e757f247c2fd1018f2b5a47e84b0eefb6142a032ecfc0e1935ba9cc18e65380f92f8eda1bc633808663671b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}