{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5134c7a2a9ea3c66b47c8e10a9945b45481858681eccb2c8299548c0f7b8fcf3",
    "signature": "0xf5aef6bc8c22be737d2f19bc08b800e387b31f383d17b74cdd25455ff444d85004294a3df8508c7adde5e34371446c05a4c582c0d8df800718b33cbedfa43df91c",
    "signer": "0xA6ED97fCc0BE62615E1cAD36f9a1D4685f16185f",
    "userId": "874259976"
  }
}