{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75062",
    "entityType": "User",
    "nonce": "0x79617452d3a0932c447cbeef264046765ca1682911a1efabc8fb3479a7f7c9f0",
    "signature": "0x79d123025c53280f6b1d63b3bc781810057843b63c9a744ecc6ecfc0ad2c23d26e0b03319577ee34bcb42b59ce43f3d9fb1cdc467120524327042aae2051fa521b",
    "signer": "0x4230116F60d3989D218B84425D3D1Dd6C85e1393",
    "userId": "86128800"
  }
}