{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436095708",
    "entityType": "User",
    "nonce": "0x32fe1bec0f7a6e22122509d9e5a369e546012bca0dea5c7e7646e7a64a4df7a4",
    "signature": "0xaeb0765c819e478a550f4d0bb4029ab7626b4e244643a7ce0ba09b9bb1c935813ca9202f1682b301ef978dcab2342547184de088fc3bdf1651f6335967a2aada1b",
    "signer": "0x6eF66a6206A4589bEd5849d15Bc2746C2603b01f",
    "userId": "989336341"
  }
}