{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "532685",
    "entityType": "User",
    "nonce": "0xc2d04c6cbccfbc0b2016613e831eff9adde0b818472aa2dd719e205ed489d8c0",
    "signature": "0x2bae3174b169076a866f2bd2e3412c40b653976a74100ddb40587a47e7e02882345c4a56a3c9d2c5f1f19bb27b72c22137d9d894d2a14a133aab6d74ec1dd8e61b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}