{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x1416caaf09ada60f45f9c42126c10b3fc7533c539a7022ea180a5d8abcc71c8b",
    "signature": "0x979a8f3c1fee6a0dc4c30ea5c0dce581d660d1da6f340e3393005fe1811b58574b64714798614df0ee60fb854f33dd260e7185c67235d63b638789fb398464231c",
    "signer": "0xa228dA0794005c958cFc691a6808417E21E60Aea",
    "userId": "151623966"
  }
}