{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "212484",
    "entityType": "User",
    "nonce": "0x1ecbacfe5ccfd44ed6afa59ebf7f1170448623133e5fa9380c304bfacd2489f5",
    "signature": "0xecb7fb46c49f1e567128c79d2beb6cc35b21aa55bc528664c246400b428aaa2a686a1f725db7cd0b3505efc5b0261324239df3dbc4d5e29856efc8fa70dbd39d1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}