{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136958957",
    "entityType": "User",
    "nonce": "0xdc004aa284d158bde2edf0dbb5da9c6745c6a474d6b1167568352ebd51deee1a",
    "signature": "0x9d83f532dfee4aa7e982a43a52eed84fae2ce23a5cdffb1e172936c24f1a04d37baabb0afdead2ed812d18989e514d3b0ddf8a0501f9d7def40d121eb622478f1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}