{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1680848",
    "entityType": "User",
    "nonce": "0xbc85d081c9c7813c88c8f67418a51031cf71d116ea967ff112212df6805de688",
    "signature": "0x2e062270477806293c14cfe15f4a578b160d7026e866207d7064f23c8aa1a48b53f75d5ed62ca153c5c72fd4762298bde0a64a877d29865c053111b3b246e95b1c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}