{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169481491",
    "entityType": "User",
    "nonce": "0x082810052024ec7ab96d6f578513c1492755d79a03b184285282b7224100ecc6",
    "signature": "0xc10e9ccb02336148e106137de7ed252f39b0d788d32cd6c801b645baf49e7d05044f87894e38b5c909a470c13b972627fa3775ad67be8360a3d43ba17b2180861c",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}