{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1786",
    "entityType": "User",
    "nonce": "0x9adf68835787fcbe3483f0ee2ace5b6331d8bc6305b46b1ada466de77a3fb126",
    "signature": "0x4fe64e7d4b2d9c1aa10bd152f0b0444bc147c28c2a5db2b32dad09024479423f53908d88d9e899489ffc1e0db1f615b94ade31806c2a02cf8c7148e372f5c66e1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}