{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x73ec6ca160c45ed3b894fc465f1e78c4579a714ffeda305386119a37371ca2af",
    "signature": "0x17f3a909c3d121cab34ca31605a86a8c05420362852352983ddc7f8d5b03d9121a4b0acba74994098d3562ef7f9146047aa3c56ac044e51eae4ea846f1c05d0b1b",
    "signer": "0xc1A14B02Ce70E8a627CfbF7818f52FBe367dBfB1",
    "userId": "9379013"
  }
}