{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34115162",
    "entityType": "User",
    "nonce": "0x2ec14054900320b90d18b505372535a4aa37ae1d14725777718dd8187918c7fe",
    "signature": "0x8c86caddf17ff45ccff4f48616e4a6da152d07906c901e172c083bf6bd81d52b385a8392718bf6ced6dd7e2d31e6ee9e1bdababf4b22969a85e99587ed4b68b31b",
    "signer": "0x5f669126A64334710E37f472BfBfE0D8cF408577",
    "userId": "171892"
  }
}