{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58138",
    "entityType": "User",
    "nonce": "0x7bdac430d248be37b2026a7a0cbc42bc35a8fa21ebc2d537c3e941da101f3da4",
    "signature": "0x3970b015c68ce03947a0b737929ce4dcb0c7e1f04b9602b40163450d8a2973083b2074989e1dea94bcc6e470c56a8af4850b7559a6a20680e17cdc8fb9599bec1b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}