{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "108164766",
    "entityType": "User",
    "nonce": "0xac8b687f60efa4922fd614952bfdd0d018e4c53c7e4e52f37174a234cddbff77",
    "signature": "0xb71ce1d8a1d42a99b7c4a616ac509ade62e11fe208908ec551325f4a01a83f634ab2580c0dc62fc82907895a104417ff1d54fdd66b449cd49eb6722d197c91cd1c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}