{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x06cd2338729f0cf482682bb16f100cc8810ee7340a2a114f71c100e77dbd3ea4",
    "signature": "0xbee28e5395b34b9a7bc3bf9ed191d9d73fe4f79488556f5b3d0b6d38483548856fb021436825c49d4fbc17a82f2518b27e58c9e98439f6c42c919f5e2600ed861c",
    "signer": "0x561DE1A6122c141bFF7442B8b602111bb127e456",
    "userId": "898144922"
  }
}