{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf84f62d06e393e0072ed1a4cafacb65b4b131545e28b0af95e053c0968d244f7",
    "signature": "0x6cf6f0bbac86e22000568bd622edd00be5a4aa9ac9269c489ec6e0dc902df64e1fa8f448af9c14c4fa878b4da991f27a3419dd8de1e42c930156eea74612c0ef1c",
    "signer": "0x00cf0168F42053036842AaB1eF749F0183ccEa03",
    "userId": "183427799"
  }
}