{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1228",
    "entityType": "User",
    "nonce": "0x53d2bb589e39028dd6a6e519d171f58934a42ca23eb56a61e74f6bbf8b6bcb77",
    "signature": "0xd7bf6a713921790bcc6783ee938de3e53bfb943d9a5691fa7265bfd790323aae50ab04fd9672853893ce23615de45902bb23468b5c51885b88146bd4fe200eb01c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}