{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf0b679df562291d20da4e2154dfe512d05a632a0ad5e6daf456dac3b45057e2",
    "signature": "0x5c86f906f4dc4b9f49129e35331740f6e5b9913a4406a7bfbe2898f5f9a1600925e9842e20cbf48d0b47829cc6372ea1a3e7d5c4210ca7af08b485cf12c6aa591b",
    "signer": "0xdA708531501D4f46C162eDBca1D759CB6e7447c4",
    "userId": "985405611"
  }
}