{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358998259",
    "entityType": "User",
    "nonce": "0x3fd5d06651602d1683d65d60fa1d4ee0efde6e307d9184547ad71354dbc11e0e",
    "signature": "0x80cd37de880a01f7828e2e99bd810f78b28cfdbe2b41f54d4900993879af53a160c89a515d90572d459a37f2680e553afd3925ddf0815aa304d79869068274df1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}