{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "261090887",
    "entityType": "User",
    "nonce": "0x2b62efb1a10323b2e00b3f19e2f900ece27643c61869e5ada01d2cd0b9273046",
    "signature": "0xcfe019a8c19133ed589b289e859d4cee087bf93e02c8323e91240483f5809190507445a8f607b2f72bccc9cb4bccd2872fa10b51762203aa753e58e0fda2c5f91c",
    "signer": "0x862060c02F28f6984692E1Ab0f15419eFdc91D0A",
    "userId": "321032997"
  }
}