{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55134014",
    "entityType": "User",
    "nonce": "0x7faec8ccaecbf586153811be26ba93c6c3995cc960c597c2aa58a4886bbe5aa3",
    "signature": "0x48e41cc2746fba6362eb9469250cc6f5ecea552163c997431b8904c65621e32b6db0cb03c291e9f8800093c3fe0fbb8bb8ba548c2046259ade0f63a03bbce26f1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}