{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "115138",
    "entityType": "User",
    "nonce": "0xd96e2f60e7980209f34cda4644bb8c8c7f457331afd3919ed5d1d8146ee9de43",
    "signature": "0xf1831776f06d62d8f49dc7415d0783f0a1c7909fb4c6253edd143f19ca86e1575d5087edfcaa15851b9fefe3f16de8b0e25f5c9f0f404a6bb3b0293d3eeec79f1b",
    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}