{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63905",
    "entityType": "User",
    "nonce": "0x62b6f5afce8a7cdc27865e2d89aa0525d28956d5dc3d450f63f655d74a76fec9",
    "signature": "0x0fea87ea416931f0fbb79c0431f7834b533664c125ead0459b81866f9d7905f9715e53b6ccab7a7246412c25dd46ed2f77155323f31b166f4ae4573dd1879fa51c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}