{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139859",
    "entityType": "User",
    "nonce": "0x7225c2051b252a64e21f94f667aca68a165e5c72d9ff26b155acb2c0c8a94bc0",
    "signature": "0xcf7a9196881dbba2bda8077e1b8a730a72e910fb6e6adbbe4cbd92c968bd003929e341129303aa9c0143982720bcbf4b3025ef45616d29f7288b4c360f5751f41c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}