{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141429",
    "entityType": "User",
    "nonce": "0xf576f74798d2fe8fab74f5e53bc9d984be9ba1f9068c9774f45c511649c37c0e",
    "signature": "0x9c186ad01ee997e086f9c83ee8ed9632ca7f29b8b0e3b32fbed7c94ae56a47a40db30db2aaea49dd4601f1ea8e88ec0274c2ec9e23c0c3cebdec0be63c6f00721c",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}