{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "288627",
    "entityType": "User",
    "nonce": "0x9c8a0e2079a1deefbb6a13d536e2c902307fde6a56cf36458215f6a13d95f03a",
    "signature": "0xabcfb052ffa3451dd419d44c6e15fc9456f7c37913b6b7781cafd93c6bf5ab162a92d3b26a38492e3280d538ff2216bbcd6535018a4c244d41aa3c6e91750bfa1c",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}