{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x832ed0a567fc163e9779dd6f40498ca13ffb445c19dd2c6e2fdefc6d6aa76110",
    "signature": "0xabfa5362a6d6b83f6d6109cf8c4ddfdeaab1e951d1e7ae80ee00a3dbcb81fe2c1078d4129427ed4d769c2d691ae0c3aa2d7848f49f7bd78e72666bff1d222c9d1c",
    "signer": "0x98aBF46FA2fe7ef0A664A4eaab55671972B9075a",
    "userId": "244050891"
  }
}