{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "124002",
    "entityType": "User",
    "nonce": "0x418c54fb9a9b669292a59b5793810fe58176456688c26d6c83db00e441ae2a1f",
    "signature": "0x3e8b0c2df01ec26ae33ed5ea235270e1a0003260250a1e8b143559d9823b70986ff2e610a4d4ed1be211062db0029f43353059eb7f9caee1c9fd44ff8ffd43871c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}