{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "136283",
    "entityType": "User",
    "nonce": "0x965e6bc4b51c148c72022ce6543b92226eec4232393e42002390ec4b57d74a9f",
    "signature": "0x01eefd0917d997479841e8f138acdb71d799fe8a8e635ab0e0142e6906adca546710fb0d4c89e3a2660b39ed0f34a2b18161171cb53c8e24cfb3471ccfe737a31c",
    "signer": "0xb3f8c2e01Dec7eEC3871e15595d137a279951320",
    "userId": "975346777"
  }
}