{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "941926592",
    "entityType": "User",
    "nonce": "0x838cedb60aa15d28734b21c66c06aa92f401e175b93ea0406e964197f6189c1e",
    "signature": "0x088ac28a65acca60524ebc7a518af9959504d91f8cdd8a0b0247db10924156ce2a355857e49215cc1df33fb63f155bd56b2629816a2564243e3f6d8be39470c61c",
    "signer": "0x4ad870a0C318214b4796d1464BC8Dc57C6b84C12",
    "userId": "408505072"
  }
}