{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "100976759",
    "entityType": "User",
    "nonce": "0x4de83c97e3626f4e2df0c67322d5d990e4921feb6e308620eabb77c859dc766d",
    "signature": "0x78d944df77e09ac9467a63ba113b23779b2990be0431f7284432b1237bb20a4f06548a8d9bbc153fe9b071c9b99e76c9fcb76ae057e80d92797765a1b457d56b1c",
    "signer": "0x09Ed944A6653804DF5E864d5240c837F643E2c0F",
    "userId": "214509563"
  }
}