{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100910",
    "entityType": "User",
    "nonce": "0xe2213031424393fe436343b38448b25da3f5e062413c34b73d9a54a78629ece6",
    "signature": "0xe66c2463122ffd244a00a15a555af7133579bb4014c9542d14fd8a3a915138ea3fcb726ed1cefb9bde21710bb0fb4e06fd3aad114ac755a7e39f8104cf3831611b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}