{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "91559",
    "entityType": "User",
    "nonce": "0x27bc879858898151d5485e37c498a4cb40d6f952041ad8898f5a734230f59b4d",
    "signature": "0x5594e2f65f2f90a37d6cfa4943aaacd97427f5c50e686cf07831596e4d405842088cc15cfc7a3a081294be7e83a513244e0e3610a5926d8dac742af1913b83ad1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}