{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155344",
    "entityType": "User",
    "nonce": "0x265672a1aed50ef854aaec3d390097999257b8380e4f2813586ed41b16717d18",
    "signature": "0xdcd7a2d504ba05a1e773190da73883c4fdac649d83fe387f85dbc8b06be756d85fca87a6b1eff51d4c95745e94fa7dd7786be637e0fd7294ff36525056cf91c41b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}