{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x802dd1a1fdc32ec9b377d768d91fbb5596e70e8f6f5376ddc6cebc67cdf3ee41",
    "signature": "0x69cbce569f91f89685948c31bc38dff17b289952010e35210742268658e942373088c6b4444b432373aba2699080bfa857a16c736f3b776c2882a6b5bd29a9631c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}