{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171892",
    "entityType": "User",
    "nonce": "0xd086fa40a2f68b80d7b0f41e251dd57a751ed4bc538a8e3c382cedc947657514",
    "signature": "0x86f2665961f959ed30277d635028d30a53751c308e7410467494708ddb32c687000426d123a7454be5df77d5e2cd482b17b3fb8a3a131ac8c3ab32c31dd561e71c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}