{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148890",
    "entityType": "User",
    "nonce": "0x25cbc40be83238d153c68dcb26dee7b44edb40696dde2657331312cb7db8c945",
    "signature": "0x7663309444a37b2665e36ecb31eca27bb9dd8e8776a9381e662b14fa85abf3bf1c8f5390006675f86f27c7b51577a25c7c534e7e69a6da8ac5e7f41e456f60151c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}