{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "151608",
    "entityType": "User",
    "nonce": "0x6895d003e1dda66bc95d580f34914539e3553089d9cd95647415c372782709cd",
    "signature": "0xe248876f6a7d78cfd3b7b4cf6e8d4d146f182618f285240855ec6f11c2b6246818627d93fd3ec0e3c2c92b5659f700bdc272cae796f18e8a4da621c3d6a248f71b",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}