{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18111",
    "entityType": "User",
    "nonce": "0xa5c4abf0d31af9120b97eebd9d267d7a2624094e8d0b9749f3afda3df3d7e029",
    "signature": "0xd71b6a6b58f2ab2fc36105ba84d05656a64c8b5752623f639ec8dbdafe8e7c0c1eefdc9698ffe9dacc8ea18ce6265bfb5e8786bd15052f8693ec1661062b6af91b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}