{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xc795382fa27d75a1cd6b3a18213a0b4203879b3eaf5d5d5e983e65fbc027f3f4",
    "signature": "0x84c72e82b9225204e51aba8b43e7d280493180a5c06dc14884d976ed9dedf7835690bb56ca1f595c250234843dab5b12ca037960f051fe38f9fd7fbcf26f8dc61c",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}