{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224862",
    "entityType": "User",
    "nonce": "0x990b57962140f8db8840f0d3aab20b750364c1c5bca3b09127d44f35fb6a1685",
    "signature": "0x920e328122740674bec1d597bfe55840b57683a46340c45201decb292e1f4fc13ed763dfeab0fc8be57e69057f423c9d83feee37e1447fc41169e5968e49ea491c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}