{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69434",
    "entityType": "User",
    "nonce": "0xc12a6ac5e0ca3100be26c2d3b7ed5c7c282e5134e085f70a9b9be2edc5356e61",
    "signature": "0x5efc5aec4ef6bb404fdbd32fa8e437255e663da8ff52cb1716ffe4daaa2686cd51713fe28ea4129af0626f7a5850fb3b21675604c0c9ecdd1b0556d79afda0c41b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}