{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "169705",
    "entityType": "User",
    "nonce": "0x37ba4096fccf2fa719866ceb2fd04d65d3801e66e9af5d1a0de6146e5375eb9d",
    "signature": "0xee5768b484ca6079f242cd0b80336dc2fdd1ab781f631520f4b1ae8b6ca9731e241d54a82b44be7b6bd62175666bcbbc739ddf276e629e9944db855611c886c81b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}