{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7511",
    "entityType": "User",
    "nonce": "0xc38e8f3d7c3e0f1e5d05a8dad200e5523e6bfb4c996808989601d553771fc700",
    "signature": "0x2584e6e551ba9e78fcf1e3ac18b0403bb84ecb3a57a62b3ef2f9dc717dac0e961604cec275b96d0b4b2df9e2cde66675228a80e833830faeb83ee45954bada531b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}