{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "177494",
    "entityType": "User",
    "nonce": "0x41cd18950415debfc55e1b01ea4d81d74d97ba5eae8f05a0739682f5484b4d56",
    "signature": "0xa59d04bfac203cd29dce7d2d3e29ce66390c1af27b6b8975f0222bd5986b47ee76b268cd4eec280840339e1178894c6b63a63cc531dd90124a0f30ea9029799d1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}