{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "587492476",
    "entityType": "User",
    "nonce": "0xcbafb03e30a384f2d676fc45d2a61907a99da6dc6c7a0b1960128e1082c2e6b7",
    "signature": "0xe2a8687762fd6713a2c3919a692da4c14fdbe0f427feb729187892c4f07d1aa54eabf3590e55db708dd0c66b0eaceb1f837e12789b5f0103c1b87fdf434a40ca1c",
    "signer": "0x6a79014dac58f1D33D45347A909f9628C2132216",
    "userId": "718119401"
  }
}