{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354993",
    "entityType": "User",
    "nonce": "0x7d7c5412cc1061c55a0a4b8e3a5f357cc3d4d0d61272b5a0429ba75a94c040b7",
    "signature": "0x7179e002dbdc24eeff7194d1ca45be6ee5d4bea7df828c3b9e7481a98e4b917359264372a9edc617e6ead461ebaa88492c0bf3637809067ebdce0449d15513f01c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}