{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1495091",
    "entityType": "User",
    "nonce": "0x0dca544daa7724ea28a58d931fb1307a6a2528c80c3f6eeb0269b7db9d35d10b",
    "signature": "0x590232c55c1463f571cfb85f452409c1ef8798a66c136323216874fe6abe5d7c73ccd9c7ad3638448d2e1bfb77a8adc6450c50da8d96202d3145af116f1895a51c",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}