{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59593",
    "entityType": "User",
    "nonce": "0x9f491302e7284446a9c7b39aab093cb703d2e5a8b2ea0b951df4e011e3ed77c5",
    "signature": "0x55bdd20bf9f0ad401ed95f1dff332acfd417613b2983ce581cd6a1bdb36aaab610688c9fb9427fd299e8bbab1eee1d73ef05bb0b968d80811c0ddd986351cec51b",
    "signer": "0x5621c996698b35698dF806E916C147a18C5c3170",
    "userId": "303777695"
  }
}