{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5969",
    "entityType": "User",
    "nonce": "0x9a10584fe6024d15e63c3d048c160f4de147be1a4d72ba24048a7cdbb74592ad",
    "signature": "0xf6b0ecbc1fba3fcb542a56e8cb60f4b80e7e44e6192ad52c1a080a68d200d3ac21784f7bc0bc106e388e34156e60c261642b6da53dfc34b12299c43f52060ffa1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}