{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2586",
    "entityType": "User",
    "nonce": "0x12f396273b370e14b6a8ea41048ee85444a713a71baf7342bc34bbfc69101bac",
    "signature": "0x20f4080df99dab37eadde44b58375abeed282ee0460ecb2ef429a735ac0e53ac66ffc4f649fd173b7be162248b726b9522f77411aa20b977047887812dcea2731b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}