{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49226",
    "entityType": "User",
    "nonce": "0x16f0a97b5ad98a53714b99cfe4f360d8f3ab3729ee6eea59c7677ee19aac9fe3",
    "signature": "0x730ad21cdaaa3e7bc0ad5fed34f01c5795c76cb00f15376313a42e277c1c173a4e57d1245e6385a44fd58af69d2ac81577e03190ea79e52cf275029fa09a2e671b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}