{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "335392",
    "entityType": "User",
    "nonce": "0x4f6a8b301abd41eac1c8d8445f3085831bc22e5539a15332945ea1fe7b9fc0d3",
    "signature": "0xdeff06438d4579e2bbb1bdd883d90bd20a350196e82da252a4939620bc02d87454c2d32de23315658c208287f2463b1b39fbef8a2ff5c094268ef73628736f281c",
    "signer": "0x1c4Ee34565eE3A8304706138026D7518821F356F",
    "userId": "584804802"
  }
}