{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "749366939",
    "entityType": "User",
    "nonce": "0x318318ce6cc194ee5dc2c2dd5211ea0126e41a9a4b1543f2b947bf3b436d5369",
    "signature": "0x33342198127fe632562c270631b5ed17854a192081c72cfd1faf9ea98e3249997e26f3d6e2dca98b880cd89bc7c1368477246057a15182e7b1308f86abe0019a1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}