{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x841d3e24701c8ec2b933e4dc9733294c967e0aeec3bf79a744dbc5bb9b66fe2b",
    "signature": "0x1d4004fbe80fe568134e181169b7d10f30b64fd4f890ae8c4dcf84feabd0b3eb0f0ab46611b2cb27e8538b957bb91b495acaa0b612502916b53bd8067bf1f94f1c",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}