{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0e626fe9fe828dcd60f74265e575a0bb57ea72174debda3e744559c9b03a5c8e",
    "signature": "0xbeb5fa3c31d2a902d8c28700c8266b92f82194672c166e1d3eae120e43c50cf932f7e1bbd4392e6429fceb9818b65a6aa3510a0d0bef0d28b86c889f9bbc8d571c",
    "signer": "0x2B9187335cbBf7d443c5Ce6329964821Ea87af55",
    "userId": "29501285"
  }
}