{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "129166385",
    "entityType": "User",
    "nonce": "0xbbf474819bf4975d9dd120f43d9082a029eda631f0601ea76dc9cc218cd5baee",
    "signature": "0xd43201d945b065a76cf23f9cab7af5e04b630b12c48921d4f8009856b852fb857b6a59471da3138d7531f653e60045354c6822526db852886f436480a1612b5b1c",
    "signer": "0x2F87bb373089af6C75e3362077A0E52A4779f72c",
    "userId": "582715056"
  }
}