{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101812",
    "entityType": "User",
    "nonce": "0x5728fa509b35ef89a8733dc068fce2eb82a79d12df1112126f4fe369661e35f5",
    "signature": "0xb2be9cd3953c55d1e6de7a99b2100a1dd9afda02eac7b590435037b0f3a7abde7fc414da0d6c8c623a9336020a3680928a06a6fdb88381a24dcdfa2ecc1190131c",
    "signer": "0xBe91e284c86FD9Cc158dEE8809FEB018D52EAd00",
    "userId": "916957563"
  }
}