{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xbdb3d658cf04f91fb4b066fe42543380bb90c00d8ade41865e56e89db73d0cbb",
    "signature": "0xf55a9cf3b3d5b1c3fa9eb51485c078277bdae0f6de444bdb3875a2e8642ad16617453bc6cf8bc608397be41c8de77668bb5a84d6c39852a22674e9a0d5e3244a1c",
    "signer": "0xdA4565Aff71E89bd0dD0a76470E7c3B53bDf979d",
    "userId": "450772943"
  }
}