{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x5c696c7086dd255a8245070fcf3ea7ade32a2e5709121ef58ebb320ef9e6b2a5",
    "signature": "0xbd780b19dee53dc42188a37702d9a3f19ad6a7804037f0a06682a524a606509246c5f2037e911e4eb4406d8c8de39f7d50e902627d48560d631e3dab7c8cfece1c",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}