{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1353",
    "entityType": "User",
    "nonce": "0x24ab89072f14484eb1f9607c7c0056ff6c4a355f6a0d1b88ccbf5b70f2fff1fa",
    "signature": "0xe79d7afea7180798fdc08051420346e70406ffec83fc5d42a998f01b27b97c8c15dc50dcd15ab45641bb418ee92f8bb86b71024c32a03433cd279172e5d54b701c",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}