{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "472196",
    "entityType": "User",
    "nonce": "0xf2fb264db1eb56f1ebef851fab193291f3cc61e10a5db2a6f6cc224cab7ebf88",
    "signature": "0x51f3686b2715db50ca24a785a285f90f6b86c39897c61a0e030e44b7181547bb3d8df624bf122c30c58a5254f9e7f284682ee585af112aa67bbc506fc64974fc1c",
    "signer": "0xFA54BdDbc2fd0fA514bA36393EF2F5a80Ee9C49b",
    "userId": "428192787"
  }
}