{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7969",
    "entityType": "User",
    "nonce": "0x71138176de44e9447596507c56109fa940a8d6c9cdd86eaa1b11c32e75a055c0",
    "signature": "0x6fcab88f234657e1c93843d94ee8a40c0ff87eee0fad4edeccdf647ab9f639105c605bc681b26a0af5e8657bc50a4738a39e25a276747c84f2f97a372a53b7e01c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}