{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1249903",
    "entityType": "User",
    "nonce": "0xb3d5916bae3fa8046522d7cc43687ffac212c21e4dbd75e97d94be2f514cf48d",
    "signature": "0xde197068491433f57bf1f15a0fa08d5466b2d0d43628a34bae33633d7d74906c411bb7ae39cce139950b66f25213456549dcf64867841bfc7d5f8111a3749e4d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}