{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41892",
    "entityType": "User",
    "nonce": "0x7703ce91b9417cdebb47058a557bc7bb6c0ee8c0212a12ccb5b39ac4900bbe88",
    "signature": "0xe4ef2d3b45d0be42c3e5956b6e7faa45bf71fd4a0cca4fc9f483d91ce558a2d9449df412fbc181882d6034589209e7b546d23a32796e5206ee65eb576c1e616e1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}