{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986558952",
    "entityType": "User",
    "nonce": "0x3413a917329a9eb82e3cc1028ed49e1a8d0d6d63a7364b514c7368486d2bad74",
    "signature": "0x5eea90a468123e926475ee2ab24eaae40b4888e5dbac049a36ce11835f6b80b2709c569b886f99d6e93710da2c18b638d8f3894e9a177de5a55dc0a51bfe079c1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}