{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56825",
    "entityType": "User",
    "nonce": "0x25048cef8b83ecefc52278cf8c9b506c714a00507cefbf8e3d330ae1c7eaafda",
    "signature": "0xd861a2b56fe09406a2cd4e5964ceb061d0907efffdd396dc1fdab99597c9564f615490d831be6f9280df0a7784fe68cf03b7b1832ab2950003e5cc93056ee5721c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}