{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20687",
    "entityType": "User",
    "nonce": "0xe69abe42c97bbce18c5ee9b744abd152e75dbf31b5bf8ab267cddd00c7eaec3a",
    "signature": "0x1483927a08e25d04a571f33d44644e53b9b0ecccc7468ee54c1e142aa319ec4d405ba45d8554aaf05feba1b460a9733f7878a8d314bde12f7ef0a3c5ce21f88e1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}