{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104971",
    "entityType": "User",
    "nonce": "0xc09d440fa035516ab25bb4d8002af1e53de53ee8f6976f63943f8b047eeb799f",
    "signature": "0xd5d5d2eaa23e6a0b0cf5d57989da17b533286b042b7610b2ef019a74c30b3bff42e90564438529bd24b78711d764e0c88544f978bab6bb99ab9548613178a9631c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}