{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360387",
    "entityType": "User",
    "nonce": "0x9f88d54667d650958f5144ad2f0c7ec8620046cb8c2d23fbd2686e16ed844535",
    "signature": "0x354423f2e018d72c64358bfb4079e553e36ab2f879ab78636d3eeb6c760c46c21483abe3af3b92c13d78b133789322e60fd79a98d247293cd2cf0f968fd9580c1b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}