{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402520233",
    "entityType": "User",
    "nonce": "0x1366e7989cca5eee86ef8b427ca19c85081a8b8b3a870df6e6230332548442c2",
    "signature": "0x1f5684b41116a235d0e10c47f0f9745dc238ef954e2fbd0d747d55ac405e6a5415c16d9565518747652ec24168dc838a1323dda149f55717ea0bf0ccbc078b441b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}