{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141151",
    "entityType": "User",
    "nonce": "0xc546691ba981e8f2baa1fab7a30c2745daef0568db6338c20b89fd7e46c88753",
    "signature": "0x68ba2a9cf7828cfea03892ca85f3f53459cf1eef8d78c46591672a44f5f66c700eec710f8000819e0db6db8022abd7f2ae88e362d006ef6c78dea7c62fbe12f91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}