{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326101",
    "entityType": "User",
    "nonce": "0xd9ae23139c3478645d89f0ff31455ffa318fe3271900a37f9644af07fabb21f3",
    "signature": "0xae842da6e29dee281cdf0286c5bec4bb3e9fcd8dc45419a23ce0e991d01dba25691fd4dde9834a925410623aff2e176fdef5a5f129d01c33c9210990958e89751c",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}