{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40161",
    "entityType": "User",
    "nonce": "0x2fb543f0fa74d32cdfddaee20c5d36c8ab4c31160184203c73c1edddea7f39ff",
    "signature": "0xf3d105d04c7c238f9002ee35afa329377664b5592d7cc114177546bc460a350e6f6412d5e1657adfcec9bad84a35ada3451adab28361c6e4bacca03f824c35001b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}