{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "111273",
    "entityType": "User",
    "nonce": "0xd608b0a0cce76abe293d29fbafa31309a36dd10fcc2252e3584d8b4c65710a7f",
    "signature": "0x2972213357bf7d9ba6ff3b1277ebf0096260ed25eb8454247c307473e58d0f1b03b9224272b67b7a7bd3d799de539cc56923566fe71027f2c55f28b47b9564e01b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}