{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357273",
    "entityType": "User",
    "nonce": "0x1529fbf95d25a1be32fa0031954a0186c047f818227a34593bb1bded1c10da3b",
    "signature": "0xa82472ae42ca16e0eeaddc6adae779ea4fe41e13fe9534e678a447e72d75a8fa2d48a3c6b19ba12ed5ab920b49fb1928177d8783779e2275c7b9bb1f2c68cde31b",
    "signer": "0xFEa2c41d314209186e519b7539c0FcBDa1F9f00C",
    "userId": "51657002"
  }
}