{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59570",
    "entityType": "User",
    "nonce": "0x74a5c89edacdf31948a89ebef5793598b4c0ba425a783b260ced3a6dae33216f",
    "signature": "0xc9757123f03cfd4b82a3fcff73a0bb9c8cd37c19e64d7d6c4ea510e249e500ea38a32a30f3e8f51232b68a90b505df495ca3962ca277260e10e719fef1c310cf1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}