{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326584",
    "entityType": "User",
    "nonce": "0x380d06337aa4254629bfa117daa4ec7ae19e3237988660592850e1fbec446d6f",
    "signature": "0x5d549f8b28e0f123704dfdf616cde64cc2d3719acf681fb54d773a59b92f338532a1e236a0a8d2df86e48460cc2057fb4ed1ee25f902797c39d4cc0f289ad2c91b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}