{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342990",
    "entityType": "User",
    "nonce": "0x9e2564a91265386a1bad5d938d60007d273ee3a68cd862dcf5c1bbe3d17a52f4",
    "signature": "0xa35c4785a72c1444d99b6c1a118c8cefb7467f8bd9e99558e0d99c4c176261fb204e9b38f59095a87d2dbf22085a91bb46adc84d79e9832ac178f575331567271c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}