{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xcde09261d26b58a31c2eb14c4351c174d05a9fb8569a68a52283aa442149e874",
    "signature": "0x74e4c12fe0936e2795a04128be027e776b02821c05907b266c579d09fbebb82709d2e9c778237a90cc44cf4f0b0d4fb2840dc87f9ba74beb6cd5bec3f2e077b61b",
    "signer": "0x81f60DEAd0cdA833Ad17fe7Ddd37b36E62630205",
    "userId": "132087202"
  }
}