{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "726274088",
    "entityType": "User",
    "nonce": "0xc8bac50894f3616ecbeb81a90eba99bc6d4f77990a5a7c9436d116d38f7194d4",
    "signature": "0x4be5a6106ee8c492a98ad9d41c1e5aa2c551299213c67d59fb0e5cf20b50bf9958b6d61e3379e9bc999fb7686153eb11f48f0bd6cb2ce1856fb2fb908b2141971b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}