{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x0126ac8f8f3a259cddab95f819393668501642482f6b464c773f19479612aaff",
    "signature": "0x98942d8c6dde5b24d4740e662831a7063ef3a45d2475afa4279e42bf5accf5f251108f1b6be6ef161a035e17924744887013a8ebdd9e0884c2c47d5b30cefb431b",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}