{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x024d461442aaaf25bd7a6f544e18e3738c1d5de6fe74127e32ac99b610015472",
    "signature": "0xcc2a0ba26a0edc2c412be7c80d87cc64c230c20216a3e2f37d281181c43592c2322c3445a932ba849ad158e456a171cf0a4cd470bb9f32fd8590ae0cbb65a33c1c",
    "signer": "0x7FCffbc9FB7516A6453F59c5b9918Ea8A7EB33eb",
    "userId": "502388335"
  }
}