{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "6277",
    "entityType": "User",
    "nonce": "0xa6d9ae5eabccbb51f29573a89d238395419023b631f28762269abb963090f0c5",
    "signature": "0xd04bba1d077674f817aaddb7083b70fddb2171cb62ce9035dd4236698b8d7a335d11aaf01bdc36ae61c19a11e39ebb32f4e6d3c5940b3989db7dd809cf4fbf4b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}