{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308196323",
    "entityType": "User",
    "nonce": "0x6fddb59d0d522e97d0bde911b8d643a1901ef19c09dc1203676e472622abaf63",
    "signature": "0x56d06ec3c1d8f553a9c97dcbfc3a5c527ccb3f6e0e6175aef9b3780c5e7070a864f7db4d7d2940cf7262572aed944e3792bd2155ef113d1897a5b22c00f7052c1b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}