{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "85307",
    "entityType": "User",
    "nonce": "0x3c07437299d4c20f133cb2bc80ffb8bb9e92e8d0f7de74df9cd8f2dcf53c132d",
    "signature": "0x9c1197161c349178633b0581de412385b3d9436f02fac6cdb529c829fa57f2051ef87fc2c16b1dab36db83e733a7dfffd2d1de0a778351dfbbc8fa212119460d1b",
    "signer": "0xe37e3082E6bEE4aBA583b44542CbCbe93ECA05eA",
    "userId": "885355303"
  }
}