{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127315976",
    "entityType": "User",
    "nonce": "0x4dd8efbafed44291d648e5e1ebe7cd43e9d96583bbd649d01f880ccb2b4d0ba0",
    "signature": "0x9e66f4ac093ca016056a03401ced4081392aad5d416ee04b18dbe604ea82845f725367744112dc6a55b8863c486586c451aff5e56c2c1d5dc9ee23a349b710601b",
    "signer": "0xcd864e8A0A043bf1B2DA4106C35c1daF234468a5",
    "userId": "784246910"
  }
}