{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317620",
    "entityType": "User",
    "nonce": "0xed9a9ccb4455a5a13e4c9575ee8c74b14dc28ed830d08d0962f29a20d879f401",
    "signature": "0x6064f63b760225784adf557f34d27b0bc0dab479c0749aee0c09ae8b8445aa187d37d58a6212e4b845c01ffd09c5b1d9f05218b3aff9095d40fc72871d79b2021b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}