{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364158937",
    "entityType": "User",
    "nonce": "0x4edc0dd559107e4190e762b33d6cb1314aa00f46e738ee89f67cec1e9ddb08a0",
    "signature": "0x009fd90c361fa653fad26e5c1f4b0b9d491d968abfad30d9c6f51fc4964f64c17efbe82d7382b661bee3b61f66cdc125c0798ff9cedcb6613726c6bf7723be5b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}