{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225974748",
    "entityType": "User",
    "nonce": "0x6a84f3f5ef7b6c7f2eb6798f4ea5f818abc394c0471a9074ddddd7116739e0b5",
    "signature": "0xbde55b785883272e1e67e6dedc70e66e616fe40b10e1226884b5d98b1f2824627913664a0a8f38484b03740f936e185b22ef5aca03f51b637fb0610d3ca7270e1b",
    "signer": "0xC01dcC9Cbea2BE4DF5fD18bc59f99cB6A44b84cE",
    "userId": "208704492"
  }
}