{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "140",
    "entityType": "User",
    "nonce": "0x62653037a1982f69d0c5f75a48233508c9c023c7842e9c326eeb9a3a3e5d9566",
    "signature": "0x4ed8df9f9870d2a972c3b61131126cd817ad63231ad62a78d2f6c16f565cc881449cdd92b0c34e5c07f2df6908cca8cd7ca2a947df89393624eaa1ee58e17dfe1c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}