{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1246",
    "entityType": "User",
    "nonce": "0x7be3646f2d2d327bc7f8fd087dcb438128ea26ee49224f6cce9e629b5c6acac9",
    "signature": "0x8cb1a084050e795f769728abcdaefdb4b75595ad1c6ee2b2c02e8541448e5e8729a9c950a47dc2c82e58b2a2e4bc904012ca30150c87a4e8ab4e6905e106844c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}