{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "370826",
    "entityType": "User",
    "nonce": "0xecf48f11a15fb553b3e854091c780275f87b78e9167e33d83ce177d31eb8d200",
    "signature": "0x3a30e84a038a33a92565bbcb7251bec0de0620f83e4322a2fbad99a280e4a30d5d8cd9d7353c58db13dfd5958cbbe6f13cd02569bfafaf55ad51e208f443a3501c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}