{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "954117045",
    "entityType": "User",
    "nonce": "0x30fb7ae53b693a380e8deb881078d6e2f15e7626d64a7b607498cec2df53fa9d",
    "signature": "0x0c5fd2a9b5861110978af2ac55e2c9dc9320e584e4b1ebc21d9b349237695c82620343b5d18c143ae411b7c6c49412a4a3235573f47a06fd23ae9a73a26f13891b",
    "signer": "0x2B171214e998033E806F72301307B2160CD94DdB",
    "userId": "489165782"
  }
}