{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "722114",
    "entityType": "User",
    "nonce": "0x3fa160ab98da77bac2faf37e592c4f0b997dfe031b12551b23cfd594a17419cd",
    "signature": "0x6c2526c30dd8b119cc030dd4d9545f515112593733ee57caa869fa8a68e94b9630649fcb974c479bd7016fde3339d73244930f9aa557918df44dd72dc24a3bca1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}