{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "860650726",
    "entityType": "User",
    "nonce": "0xbb63012791db96869d729904b7a7e03dcab242d2bd282adb74f13faac2de66a8",
    "signature": "0x724f82a52b5e663afd4aae33ed6b2432d09777a4f3157f62fb3f1f40daf4dbd96ccf676d99c997a22267dfb29782def53d2e6ce4aab6e52ad888296fd83da5f51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}