{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "299215",
    "entityType": "User",
    "nonce": "0x86ad7bfa0e66d7b71111810282fc5e12c255272a1de65ff94eb3d5f5800f6e5b",
    "signature": "0x1e39f35fb862a85cc2cc848244ce82457d0b61967c2092cead5f063d8bb1e5e3353641574de0698d24c6f8b4d9dea478a33cf5d28c31a7df3cc417b47a1bbd8c1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}