{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943606732",
    "entityType": "User",
    "nonce": "0x014eba686ea18b7dafbdda34f6583e7d81edf37eec8ab0578576cc943af1f3d6",
    "signature": "0x42ee44a213fd303837e85fbb6fda31beea84cb456fdbff886604a397ec41f5ec7fefc68b4e2705165dc9d3b15eac9d8c41c814522157a0464ea657593e66a1c01c",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}