{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x2da2d85152c19af87cfd73a4585649164eb015aed75919ee112978e2f70b6ae3",
    "signature": "0xda0af9a9dd7472b38f03e97a674051037b22c57dd151f2c661222fdf0147893a7aa188725347184448365702f7005226e5f2968f83f9452c350c0680c9cc2c161b",
    "signer": "0x38b82b1Cd46eCBa50DB7fB20B1FD260725058884",
    "userId": "672217540"
  }
}