{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0x673e9e54f11c44f1930deb1e4d7729c80d37154364c5d3345d5fc9062ae07ec9",
    "signature": "0x99f8dc9ab353b854fcd806c6183ecfd4a439fb644c272e67202a4374978fff151e0b398fddb264508530fefdcf7bd7a75ca915b8b2a3e9651e862446e544a4361c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}