{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x0c5266f6a1ab41933cb45ab0a40d3aee763641a5c84f5b2eacaf7ae372db2837",
    "signature": "0xa2a85b84a69cddd89db4dc388b4c7d9d84a77c20f6f9a415e13cbc6ff22c39d446476f4e6b3ddf20fca35491243fcb10ae24ebb749cddffe2e949b251a6a7cff1b",
    "signer": "0xd5b09f4bf32b4750c05E869d0f7b6602bBD43699",
    "userId": "581850733"
  }
}