{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "162051",
    "entityType": "User",
    "nonce": "0x197cbc8b954b764fd816302400279b8b945162b3f7842a2528f1a7f0c367ec66",
    "signature": "0x32a1836563200176623fbca52476785c3cf6b542d102b7ecd200cd24c1450a3637247635f9b9d1a1075da3abca88748c01858e435f2a3d2cda3bc00f8d12ba0e1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}