{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf6287fc657a0ebe09f8fcf4ed89828d43d1951e0e0f462ba399c29106f27a83b",
    "signature": "0x7eb2260044f41a4c4c0f36154ffbe88a81600b9d0c20456f3499aabdbc24649f2a9f6af3566fbf649f00d8966934dabb0f85ac661a0b3865cdf0e4a86842518a1c",
    "signer": "0x5943dE85B1bc8a6aE786D3f17b5465337908171D",
    "userId": "698081540"
  }
}