{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "170395",
    "entityType": "User",
    "nonce": "0x3b1983a05c3c1bd2fb651d3ee33aabd23243bf8b82f784efdf446c2b2c0cfb35",
    "signature": "0x829167f68e41003fbf9735cd99b864cc9e4069df0399aa067330d23f7f94f2391be1ff4d0719d960470ed128bc9f8973d4ded33f5e2f5aaa254db0a757b63bb31c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}