{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa6976156955f38bcdb24a1660a17983857b8f76ae1212127f9f844e9832235f2",
    "signature": "0x33c48f58177505abc819f1d857ee45581c6e23f53202d9ada3b012fa35d8a4ad24e91e9596fe9dc998fa7fcec0a8f310be4f366eca61f2ce17c0de8e7e8bfbfb1c",
    "signer": "0x38b58A91Da1DCfDC0775d5B9D0f45b5e79640A59",
    "userId": "946261082"
  }
}