{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xd99cce44562b44e05dcee35dc52e419abd9f0a397615e7afbdba922d37c986a7",
    "signature": "0xe65d13da23844a8996a05f7c921d5bc16bebe7c3f8da9bf4b5c9753e1e052d0430fcf360dc685e4262ec11788310bdee3e9f0012893f20cd1673f7f7e2fd9dc71b",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}