{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "195787",
    "entityType": "User",
    "nonce": "0xce468814db71718d1e4a31431fd32f22703861f624b3e1f78447a8f596b7a7b5",
    "signature": "0x30855502c061a0db257ef1442891fcb4330e25d293569401d876cac8571a283111716ba5f9a1676c17cc8df8dbc1fa70b457d323e5581848ec2bc09dc234ad411c",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}