{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "470517",
    "entityType": "User",
    "nonce": "0x10b3e144ec4522b511515299e02d378336a2f350c2db7db0ab64075b2314ab1a",
    "signature": "0xaec2881795c54e08993ae21029afe07f7bcfb35151673c58eacca94b4cf8a1ba3986ed362f98b6507c160af605a66c1056bf14bb3b2f8972d4fabfd22aea19771c",
    "signer": "0x8a3bD1d883518b91e9D08C2285f62231D15cBac2",
    "userId": "809974329"
  }
}