{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf6effd3236d41d2d760094b168edf3d8f963989410d02677cc401542b5a248d5",
    "signature": "0xf93d5ac42bc91757f14c5907c1b93c1dbf23ecd62abaf4360567c095f689e81e1a6713e6773ddf89ba2bb4c383e6d81aee8ba76e32c4748be920bad423078d431b",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}