{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0x94a1fc9013c4a5fc53324f86eeae31b67752465c89df77f3913f700b1e77edcc",
    "signature": "0x277146f64b37e04c89050377f3590c760f463c2e051f33e08a9bba6249972e7d697193c41af85ab0fb39dacb7ddcc8285494a84182af97386d821fef6b19f4f81b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}