{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62269",
    "entityType": "User",
    "nonce": "0x709adbbea4e6f9dda6db67ece507c834173c0b1425179b1ae639672346f4d8e4",
    "signature": "0x3c15f6fccabd10bc4b598fad76449d5a5f1e479de231078925c3e017dc336d844e7ca5fc72fd47354206dada29880b5a61493eb686c9922d0c40f95634391a0d1c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}