{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "586941",
    "entityType": "User",
    "nonce": "0xd6ed5b08db1a37516e2fd59974ed4639348d6b50830fa916a3cd1090490d520c",
    "signature": "0x7a823059c0f7fd4c3267c4c47bdbfb45baedc9ee54ce1e349ec0e4ceade12b3112956f88917334a64da20d356fc2bcb6da4a4044c1f166230f588a232ed017331c",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}