{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55246",
    "entityType": "User",
    "nonce": "0x3360705d22bcbad7c712949bc299a1ae0fd1ad45a5a5d30a3da1fce6665bfa6b",
    "signature": "0x0b74e27431e70b484de9036ebdf7f5e3c58d1c98a32787950b32cc42828c883400751eafd41da4890188117686742ff1c11b62e759ce83ba77f94ffca1ae53031b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}