{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "864428",
    "entityType": "User",
    "nonce": "0xcc045e3ab41ddfcf9cf3fe956c871fa01b277095407000cb43dea26772e26e7d",
    "signature": "0x261a494981ba82a4965685c0eae824831dc9bda6850a378ba433ac1e6cbb451e6ab0362bf74cbccfe49dbdea44676397bcb6ee43f3480700167d10107a273aab1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}