{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x58dd82696a4df23a5f1c9203c162ef336f466cb3236348664740a20f6e4bcd3f",
    "signature": "0xc75e8306f030d279d0009cabe690f936e4386338c1e1e5ffe071ada448a8079a3bff0754971e15aa92aa3bd02b669b463cb7cf631f19684b98d85f7d4acf826f1b",
    "signer": "0x721f076D6fdC57634d612324093cA69B47866867",
    "userId": "303348966"
  }
}