{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "200080308",
    "entityType": "User",
    "nonce": "0x2de8d440950e7ab5051537995acb65ae66dfaac17c9a7525b0c7bae9b4bb7451",
    "signature": "0xd34a3c5bb6253e8f30609371cb6b46b7e59a9ef1f5d0e29c319f691703aa15147f48601696e291f37af09343e1733d85237d088e953809da97747af371a9e2db1c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}