{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7750",
    "entityType": "User",
    "nonce": "0xbe70f63ddf5292b80dc060f087b1d7a8bcc5d02eded99bcddf2e48bd1d149774",
    "signature": "0x48aead91f1d3a7a38d5bb78d6006356087b3a834157830019fea27ac48bdb1c36f056c4f96c557004a2e0fb5a48254d3d10d0d72feaa6689840ed60f57cf26261c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}