{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463202",
    "entityType": "User",
    "nonce": "0x3d44b9c1bbda2b32952227ab759164c368f6b472241a9f56061c59d87deed052",
    "signature": "0x8a134c99a39a5b89cdf818b6e9d0f9c515cdd1863473e5d380af5498a0d0669076d6f5e2ffe66bea99fa134554da82b98284d624967a59238676241cb4a0b1831c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}