{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "383930",
    "entityType": "User",
    "nonce": "0xc4972826f32cda9c5f6e60cb2c34cda23558ea4a49b638d28f87cd6179d186e8",
    "signature": "0x0c2ac7c146431fd1a5d46baab417913dc5931bbc15619c725c337b03569a2c0d6a63d5e7a84d948aacd8e746722b7d01c1de9d5aa8fe37fb6f0912f8efdf8aae1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}