{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "237191",
    "entityType": "User",
    "nonce": "0x67f3e77906733440dc17d2c280e9214080985e11180d2c88028423af502e3b86",
    "signature": "0x5887431b0ec960b5f6629fa6e9ff85e47ad5262923ba244e2d80dd82bbbcfc0a3dcd969e5dab25e7a8baaca261c4e748adf5778c3e7e931b99a2cdadd0e6bccc1c",
    "signer": "0x679042790709288023727b8aAB8043541aF0F29A",
    "userId": "602782067"
  }
}