{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91931",
    "entityType": "User",
    "nonce": "0x4a4adae7b3e7e6f27d0ddc6824c21cc7e1fd639e0409b46d96ad64837fa007cf",
    "signature": "0x8d3e7abf5588810cba7feeedcbaac934f51896342c21ecfaa2c399cd882811eb0ac8f6240ef5d80c21527e2b33829de9b1a89823dcbab7448964c3f64811b36d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}