{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "160950",
    "entityType": "User",
    "nonce": "0x78ec78a3e68473f66dd5651aa0033fd391d6d8cf9fb9c6272462ce3968f38632",
    "signature": "0x5b80443c1bcb47db025376901814a59bee3fe854a1ced056537dc20a2ab98fb715926d0dd5e7845c6968865db41605db134fae4f7e00be415596dc66e27f6a6f1b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}