{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x98d056b6a1afac44cb344b0c5aa6eedc0724827d9eeea28a3aadd44cd3b636db",
    "signature": "0x9af52bb24afad0d513d6328e68cbabddbcb9578b13bd4de666da05eb866aaf810111df15b021b4d8e0f63175ec9b9e4b5d1118d80ed4294c5153de0a24b34c371c",
    "signer": "0x42d08a47a321C50470578C80F8601eE9B7F5085C",
    "userId": "913084237"
  }
}