{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162051",
    "entityType": "User",
    "nonce": "0xbb53fabf138ac275d276bc3a8e823677a4346cf6807d63038ef73dd7b2aff49d",
    "signature": "0xee62e6797c95b828131817a5c89d5aa09ca6bdb3661774fb1000b2d8289720ef27105540bef6ed4a5e826ba84d7303eeb625b2a1d93534ab07b90262a67e81411c",
    "signer": "0x5bB9Cd295E2E2Ec2Da049D53c19449e5BD75e200",
    "userId": "354197891"
  }
}