{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67773",
    "entityType": "User",
    "nonce": "0x0394b1977d99bed29ab9c840a76543377846b88cc966568bac758a3a989dbb8b",
    "signature": "0x903cc6b26649b20904e4d1e08dee8bc4e8f85878b388f52bdb2a90f6a15945fe6e42323d04427c5534ba894f24155871cc23be7920a87f2b7fc50aa8303551b31b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}