{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x9906c3d5281b5fedc77b7179526d598e6add3ee3d09c23a3b608101a7e8e809b",
    "signature": "0xe2e2e3b7c8ceda23cf88e8f4f15b21cff9116091c46bbb8eff85b2d4f9dacf0f08ffdd76d747b3ff998c1c0e53d3c02d9502e2e4758c6b3aabcfee7c333db2681c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}