{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xa89515e2e9d0be22196c6c99a951b8c58daf6707d3ec6c714a238bf85cf30ce9",
    "signature": "0x70ecafcc6540f807715d272e8a82a88b6f638235f5551e939a0023a248bcc3bd627cd7e9c2126fc105729bc1a124b17ec88d511c2c4f8ce22f3eb42a1cc00bfa1b",
    "signer": "0x8C7bee798c0AB93Df67Cd00879d67b02274644CF",
    "userId": "855403"
  }
}