{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "62389",
    "entityType": "User",
    "nonce": "0xe77f0f983464d18cac390ef51b6a27dbc0661a5d8191656b54c9cfed7bf4fb22",
    "signature": "0xc1925680ba9bc715b51334199df39ef181dc5f0d7b0d3c49237a4c0e6e1ea09905b226781320bb4b4d643cae2d0036d4599fe62d095a73a1050225ca8b8ea6421b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}