{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x5eccb1f181c475ad6a9dbe8cd699c48403302dbc8a1d92099c553970489c2442",
    "signature": "0x7a3dfb69f9a3be0f43527db82351811855d4fca7cd5b46cd80a207a51063e4d259d339d1d6f594e395012908ba419f8283ae259b9d6ba8d2dfbae54bf8d14ee91b",
    "signer": "0x64F598C81c0625EA190d421bEe9C604A9EaD5ea6",
    "userId": "462839245"
  }
}