{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137295",
    "entityType": "User",
    "nonce": "0x323ee3b6445ef6ea78d609deaa568d12de49beb437bca750eab7b3239907ab23",
    "signature": "0x64a26ec2f7a8028a027b6a0bec554207c2f1e043278f1bee08bbd278e6fb4bd52045c4075fbd57abc7703e1f0c050551620d3e0fd01c930a33b7eee5af3f4db41b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}