{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148486",
    "entityType": "User",
    "nonce": "0xe7f1c8b7188e7a59a7bdd44702f1f06960be7c36957239ec92da46a9644603a5",
    "signature": "0x6abb9bfa698d3385b457d9f8856c113dad9427ae2cc2ee5ab9397b3cc0cab4a762988243749a0c7692a6224d6c67b9a16fb2a8f801e69ad83105f0994374128d1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}