{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "8313",
    "entityType": "User",
    "nonce": "0xa209951d7f7135b2d1936bbe55728765944d65c135bec745a2b4e0dbef184bcc",
    "signature": "0xadd60e9ad2833351f3ce4d16eeb402ee658af1579e897372a8a45d7b265543fe2ac43bf444b2116078168d898a71d2b229d1b0dfb60cf217713fa83dbc161e791c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}