{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5464",
    "entityType": "User",
    "nonce": "0xa6d1d09f98b9b695718586df81256c642d2e580ce2e80bd2a15b744873ec461d",
    "signature": "0xeec5a1d2d623f704b8a57488dee4d5d2d2fdffb176b89fda3804e1584251dc5a0eb0b0e846b2c18b505b18f58e886625a16fd02c64fe4f32e1f6c4765c4efe501c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}