{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2629",
    "entityType": "User",
    "nonce": "0x6d61dd93b6f263e1c93f32976430ea08da897d30331e4c8a1a52cc556731b4bc",
    "signature": "0x0031f53b0e49f6fd6c95aa104be3cef5aae71279d2365ccd77647bf282b91d45136545365f75050e85a56fa0722402df1120834641d308c97b116fd11da9dde61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}