{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0f192df685967e8b2cce2307940327e8373520e5751ac604368e857d0dd6b659",
    "signature": "0xae4e03886db19f6443947c679ece84dec08673bfc842ff34b29e5deea244affd0529524e9c2d6e2b32b7616cb58a15750f7b3696bb9c5afea52cdb249aa44e731c",
    "signer": "0x106844992eBe31b02061D5Cd5cA252E51735630a",
    "userId": "344628179"
  }
}