{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0xa08f424dc1e81a3dc540a59b24ae102a50dfe18e07753ad722dcb724124a7698",
    "signature": "0xaedc628d2ccfc74c6cb474665be0729b6de14081dd7f423094ce4fc3f52b22e33874b557b5d2fc68dfc7773d651bd6a7d5136106fdc54a45b1b71c16b2b635261c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}