{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5695cc9d73f70744c5c0ecaf29703d49f2717a4965075f36b4932953af8064df",
    "signature": "0x8aeac4b467cdc539f2ac9a2a808a19b758fa8c06033a38b4ce8f20a234c378c730b3659e6c924d5d4d32ce70f1ebe93397a680a184a790e5fa43f340b00c7bb11b",
    "signer": "0x060AfE863ee02E5B00eaE3b2c3E628ED14a59d41",
    "userId": "928266486"
  }
}