{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xc92a95fa40f51e7d75581b7b9784c3a89e57a01c12c0f8466354d8b03456a5ce",
    "signature": "0x351ad877aa2b4280a4478455ad0def3bd99514946f22ccd87f51eabcbd305ab42dadcdaa201efcb2152bed90199826716c65ccfd919efb9ade910414c14c6c961c",
    "signer": "0x4ab505DBD73CB27C1457E037607E5fB3B27915f9",
    "userId": "186630"
  }
}