{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76266",
    "entityType": "User",
    "nonce": "0x30e09e1a6bd511c3bac7e1a8e63a239ea4078ac519c16724d139cfd901fa3ce5",
    "signature": "0xc60cd625eb1267d9044e9536ca6f515a8fc60ddd9d59b9c7a35652f2b2aa226274ca4242290043b5ce9c7f0211a10ce2c5f96ecfa1aa2fd083d3a31f48188c841b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}