{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6020",
    "entityType": "User",
    "nonce": "0xc32224718e90cc0e90d5752bfd56750432349302de65c38e7cf8a4c6da4bf064",
    "signature": "0xa08bcdcc0ded9557b1808a518e9f0929446c03f5ad5ab95dacabd4cabd4b2f0f446e8c16e8d8ff1e5ef8468ee8555abc119acbfd92102a065b0a071f246f3fe61c",
    "signer": "0x745895918A1926af8a7B4C34Af51BdF98bf5C7C8",
    "userId": "54958731"
  }
}