{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41313",
    "entityType": "User",
    "nonce": "0xce63887d45a459f2dbc3608c769518b6a7b170557061a80fa89092f5bd785f5b",
    "signature": "0x37d91de9586c912b2c7028d35b9d96638edfb09066f2fea66bd3070c15c50c380a91dd9c31f4c2dc2abb9ca2073fff762fca7972bb30cd8e71cc99a2b3558a5c1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}