{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x293d2cc92a5a1484f0b8de61a12a94cb298f611215032cb1e053e329fa8f4e56",
    "signature": "0xf6f38ddd7f9c586d53ecaf9ee5b98cb77d73d8323d357311fda20e68b91a6a6a151a253ecccb230bab31b5b4f90f67b8279fb2662157f1400f398969635f6f361b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}