{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x8612de41dd6967030d40ec93e3e1c78034fd4f27ebb3681d3978e208837d445d",
    "signature": "0x763b6bfe233e9bb08ecf274b0b9c36dbee5949272d7c9b94926c44bcd321d33a3d5e65ae5ca1da5c38869d077fa8ecc5af03814d08657bde8f6e796f2c4365bd1c",
    "signer": "0xf4932982eB30F083aAeE8850Fe5d411b7A5Df5a5",
    "userId": "746635137"
  }
}