{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714581477",
    "entityType": "User",
    "nonce": "0xb2c140ca37a221efe761073894da62780ad392179ea09ccd2bd705d3a2076e6f",
    "signature": "0x70eb2578df87748f27c396d324f0608fe778f3cf5a42194d14342148942a603a3650002072f05a089fd081e916e033235a7233459d0a0bd8e09cc4e3e1d780d81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}