{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "98311147",
    "entityType": "User",
    "nonce": "0xd5ed678e6b615acd3ebd8e056c3bdf0df7dca3c259e58e7e035b6f7bf795461e",
    "signature": "0x3bd76ef9407ce7db9bc7a773d85ca34d5693a369feac7d5e421827b534547328097f52a430babdb1c30175c2c8124bee64611c9ee6e31e58191c8c98a8ae29c41b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}