{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2970",
    "entityType": "User",
    "nonce": "0xcf568e8acec3f73228327a52b65db2bcd664592fe1e7ab8c13cece123205d17f",
    "signature": "0xcb4e9de4d7abf2201c8422b7155d1e50ce9ad4b107d200510238d7e26a9b075213b49d5eebcaf5f7ff0a4bc16dfe96f80c9575d20072eba35677628ad765369c1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}