{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "614212580",
    "entityType": "User",
    "nonce": "0x6ec805aaadd280b90ab9f93cfd6c90213ccd7d9063d39c5ae444657f03a6fda7",
    "signature": "0x11a94ea00b66336ac11ffeadc10f68ce10dd89910fb6579c1152807d1cab8cfa34ec1fdd8523c6ba243711d747bab9b0b7d390eef40f4527c644e513ce7e1e501b",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}