{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2655",
    "entityType": "User",
    "nonce": "0x65dd308dbf9c55ae7d4d04a4441781c76bce334ba5411841ddf4efb7d33cc7c0",
    "signature": "0x0daf2aa81f9e83714bacfab5f6c9953ed87a4a06ef650050dd65652706c37e0a1b97ec5315801cec99c1fa09cb893d30d05463f6ca3b0bcb22aa0caf3db2bc9e1c",
    "signer": "0x19f45BcD7C0300306b47969a99Dc4bc70Fa19fa9",
    "userId": "20289770"
  }
}